Home / 87,823.32-131,735.32-21,263.36

Finding the Fourth Proportional to 87,823.32, 131,735.32 and 21,263.36

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Solution

The fourth proportional to 87,823.32, 131,735.32 and 21,263.36 is: 31,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,823.32 : 131,735.32 = 21,263.36 : x
  2. Step 2: Convert to fraction form
    87,823.32/131,735.32 = 21,263.36/x
  3. Step 3: Cross multiply
    87,823.32x = 131,735.32 × 21,263.36
  4. Step 4: Simplify right side
    87,823.32x = 2,801,135,533.88
  5. Step 5: Solve for x
    x = 2,801,135,533.88/87,823.32
  6. Step 6: Final answer
    x = 31,895.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.